...M.M. Abou‐Krisha; F.H. Assaf; M. Khodari; E.M. Elkady Purpose The purpose of this paper is to investigate the corrosion resistance and the electrodeposition behavior of electrodeposited nickel‐cobalt‐iron alloys. Also, to compare the electrodeposition of ternary nickel‐cobalt‐iron alloy from...

...Hosni M. Zubeir Purpose The purpose of this paper is to investigate the effect of iron content (2% and up to 6% Fe) on the corrosion behavior of 90Cu‐10Ni alloys in 3.5% NaCl at different temperatures (23, 50 and 80°C) under stagnant conditions and fluid flow (with an agitation speed of 350...

...Xiyun Yang; Xitao Duan; Haiwei Yuan Purpose The purpose of this paper is to obtain iron‐enriched Fe‐Ni alloy foil on Ti substrates with good quality from a chloride‐sulfate bath used in a normal DC plating mode. The effects of iron content on the hardness, surface morphology and microstructure...

...Huseyin Saricimen; Abdulquddusa Quddus; Omar A. Eid; Aftab Ahmad; Anwar Ul‐Hamid; Tawqir A. Siddique Purpose The purpose of this paper is to determine the long‐term corrosion behavior of cast iron coupons in the Jubail Industrial City (JIC), Saudi Arabia. Design/methodology/approach...

...″‐pentamethyl diethyleneamine‐N, N″‐di‐[tetradecylammonium bromide] on the corrosion of iron in 1 M HCl by gravimetric, potentiodynamic and electrochemical impedance measurements. The effect of the temperature on the corrosion behavior of iron in 1 M HCl without and with inhibitor is studied in the temperature...

...A.S. Afolabi Purpose The aim of this paper is to study the effect of heat treatment temperature and time on the corrosion behavior of ductile iron in 0.5 M NaCl and 0.5 M H₂SO₄. Design/methodology/approach Ductile iron samples of known composition were austenized...

.../methodology/approach Iron, copper and brass metals were exposed to SO₂ gas at different relative humidities that were obtained using analytical grade glycerol and water mixtures. The corrosion rates (mdd) of the samples were determined over 120 h using the weight‐loss method under fixed relative...

...Guo Cheng Lv; Zi Se Wang; Li Mei Wu; Chunchun Xu Purpose The purpose of this paper is to investigate the microstructures, slag inclusions, morphology and composition of ancient Chinese iron coins exhumed from Emei Mountain and Baoji after 818‐966 years of being imbedded underground. Design...

...Vahid Afshari; Changiz Dehghanian Purpose The purpose of this paper is to demonstrate the effect of grain‐size reduction on the stability of passive films formed on pure iron. Possible mechanisms capable of their improvement are discussed. Design/methodology/approach Nanocrystalline iron...

...M.I. Rodríguez; R. Réquiz; H. Ng; G. Jorge Purpose To investigate the relationship between the 3D molecular structure of two non‐planar amines (tribenzylamine – TBA, and N,N‐dibenzylaniline – DBA) and their corrosion and hydrogen permeation inhibition efficiencies for iron...

... © Emerald Group Publishing Limited 2006 --> Corrosion Iron Outstanding Paper Award Anti-Corrosion Methods and Materials “A comparative study on the corrosion behaviour of simulated archaeological iron in Cl-, NO3- and HSO3-bearing pollutants” Xia...

...C. Giacomelli; F.C. Giacomelli; R.L. Bortolluzzi; A. Spinelli Purpose This paper aims to study the growth and properties of potentiostatic passive films formed on iron electrodes immersed in pH 8.9‐11.0 phosphate solutions. Design/methodology/approach First, passive films were grown...

...Ksenija Babić‐Samardžija; Norman Hackerman Purpose The objective in the present paper is a better understanding of acidic corrosion inhibition by polypyrazolylborates on iron electrodes. Structural and electronic effects of these compounds are discussed in relation to the inhibiting efficiencies...

...H.S. Awad; S. Abdel Gawad Purpose To investigate the capability of a series of nitrogen‐based heterocyclic organic compounds in inhibiting corrosion of iron in HCl and elucidate the dominant active form of the applied compounds during the adsorption process to explore the mechanism of their action...

...Xia Cao; Chunchun Xu; Weizhen Ouyang; Lijie Yue Purpose The main purpose of this study was to investigate the corrosion behaviour of simulated archaeological iron in Cl⁻, NO₃⁻ and HSO₃⁻ bearing pollutants. Design/methodology/approach...

... both cathodic and anodic processes of iron corrosion in 0.1 mol/l HClO₄ by adsorption on the surface, which followed a Langmuir adsorption isotherm. Experimental observations indicated that basic piperidine and piperazine were better corrosion inhibitors than were their derivatives...

... of copper cementation from CuSO₄ onto an iron plate in the absence and in the presence of acetone and dioxane solvents.The thermodynamic parameters ΔH^#, ΔS^# and ΔG^# of the cementation of CuSO₄‐organic solvents were calculated...

...Ouyang Weizhen; Xu Chunchun; Yue Lijie; Wang Feng The chemical behaviour within the occluded cell of simulated cast iron artefact in 3.5 percent NaCl solution has been investigated by means of a simulated occluded cell. It was observed that the pH value and the amount of Cl⁻ migration...

...Cristiano Giacomelli; Almir Spinelli The behaviour of iron electrodes immersed in pH 8.9‐11.0 Na₂HPO₄ solutions was studied by potentiodynamic measurements (cyclic voltammetry) and scanning electron microscopy (SEM). The influence of proton and phosphate content, scan rate...

... relationship (Stern and Geary, 1957) as: Equation 1 where β_a and β_c are the anodic and cathodic Tafel slopes, respectively. © Emerald Group Publishing Limited 2004 Iron Alloys Alkalinity Corrosion Chemical properties Rust Reinforced...